32478EIBZ(2012) 데이터 시트보기 (PDF) - Renesas Electronics

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32478EIBZ
(Rev.:2012)

Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with ±16.5kV ESD

Renesas Electronics 

ISL32470E, ISL32472E, ISL32475E, ISL32478E

Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are VCC = 5V, TA = +25°C

(Note 6). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

MIN

MAX

(°C) (Note 14) TYP (Note 14) UNITS

RECEIVER SWITCHING CHARACTERISTICS (250kbps Versions; ISL32470E and ISL32472E)

Maximum Data Rate

fMAX (Figure 7)

Full

0.25

5

-

Mbps

Receiver Input to Output Delay

tPLH, tPHL (Figure 7)

Full

-

200

280

ns

Receiver Skew |tPLH - tPHL|

tSKD (Figure 7)

Full

-

4

10

ns

Receiver Enable to Output Low

tZL

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),

Full

-

(Note 10)

-

50

ns

Receiver Enable to Output High

tZH

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full

-

(Note 10)

-

50

ns

Receiver Disable from Output Low

tLZ

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8)

Full

-

-

50

ns

Receiver Disable from Output High

tHZ

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8)

Full

-

-

50

ns

Time to Shutdown

tSHDN (Note 11)

Full

60

160

600

ns

Receiver Enable from Shutdown to tZH(SHDN) RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full

-

Output High

(Notes 11, 13)

-

2000

ns

Receiver Enable from Shutdown to tZL(SHDN) RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),

Full

-

Output Low

(Notes 11, 13)

-

2000

ns

RECEIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)

Maximum Data Rate

fMAX (Figure 7)

Full

1

15

-

Mbps

Receiver Input to Output Delay

tPLH, tPHL (Figure 7)

Full

-

90

150

ns

Receiver Skew |tPLH - tPH|

tSKD (Figure 7)

Full

-

4

10

ns

Receiver Enable to Output Low

tZL

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),

Full

-

(Note 10)

-

50

ns

Receiver Enable to Output High

tZH

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full

-

(Note 10)

-

50

ns

Receiver Disable from Output Low

tLZ

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8)

Full

-

-

50

ns

Receiver Disable from Output High

tHZ

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8)

Full

-

-

50

ns

Time to Shutdown

tSHDN (Note 11)

Full

60

160

600

ns

Receiver Enable from Shutdown to tZH(SHDN) RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full

-

Output High

(Notes 11, 13)

-

2000

ns

Receiver Enable from Shutdown to tZL(SHDN) RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),

Full

-

Output Low

(Notes 11, 13)

-

2000

ns

RECEIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)

Maximum Data Rate

fMAX (Figure 7)

Full

15

25

-

Mbps

Receiver Input to Output Delay

tPLH, tPHL (Figure 7)

Full

-

35

70

ns

Receiver Skew |tPLH - tPHL|

tSKD (Figure 7)

Full

-

4

10

ns

Receiver Enable to Output Low

tZL

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),

Full

-

(Note 10)

-

50

ns

Receiver Enable to Output High

tZH

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full

-

(Note 10)

-

50

ns

Receiver Disable from Output Low

tLZ

RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8)

Full

-

Receiver Disable from Output High

tHZ

RL = 1kΩ, CL = 15pF, SW = GND (Figure 8)

Full

-

-

50

ns

-

50

ns

FN7784 Rev 1.00

March 16, 2012

Page 8 of 19

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